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More Mining Engineering Questions
As per Circular which of the following flaw detectors is required to have been owned by the manufacturer in connection with CSG?
The period which lapses between the time when the coal is subjected to conditions to self heating and the time of indications of heating called . . . . . . . .
A mine ventilation system consists of two splits A and B with resistances of 0.8 Ns 2 m -8 and 3.2 Ns 2 m -8 , respectively as shown in figure. Trunk airways have resistance of 0.2 Ns 2 m -8 . The main mine fan is generating pressure of 500 Pa. The air quantities in m 3 /s circulated in the splits A and B respectively are
The value of threshold convergence in longwall mining is mm/m.
The cutter loader machines work on gradients upto . . . . . . . . degress.